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85305882525 = 3521137411767
BaseRepresentation
bin100111101110010100…
…0000111011110011101
322011012010001211111120
41033130220013132131
52344201301220100
6103104453041153
76106650015603
oct1173450073635
9264163054446
1085305882525
11331a5a46166
12146489261b9
138076470b86
1441b3701873
1523441e70a0
hex13dca0779d

85305882525 has 12 divisors (see below), whose sum is σ = 141039059232. Its totient is φ = 45496470640.

The previous prime is 85305882523. The next prime is 85305882527. The reversal of 85305882525 is 52528850358.

It is an interprime number because it is at equal distance from previous prime (85305882523) and next prime (85305882527).

It is not a de Polignac number, because 85305882525 - 21 = 85305882523 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85305882523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568705809 + ... + 568705958.

It is an arithmetic number, because the mean of its divisors is an integer number (11753254936).

Almost surely, 285305882525 is an apocalyptic number.

It is an amenable number.

85305882525 is a deficient number, since it is larger than the sum of its proper divisors (55733176707).

85305882525 is a wasteful number, since it uses less digits than its factorization.

85305882525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137411780 (or 1137411775 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 51.

The spelling of 85305882525 in words is "eighty-five billion, three hundred five million, eight hundred eighty-two thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 1137411767 3412235301 5687058835 17061176505 28435294175 85305882525